Alert archive / Colorado / Tornado Warnings in 2010

Tornado Warning 2, NWS Pueblo, CO

April 21, 2010Las Animas County, Colorado

NWS Pueblo, CO issued this tornado warning at Apr 21, 2010, 4:41 PM MDT for Las Animas County, Colorado. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 21, 2010, 4:41 PM MDT (22:41 UTC)
Expired
Apr 21, 2010, 5:21 PM MDT
In force
40 min
Issued by
NWS Pueblo, CO
Area
Storm-based polygon

County Las Animas County, CO

The radar

The Pueblo radar (KPUX), 92 km from the middle of the area, began a volume at 22:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 21, 2:49 PM MDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 10.7 hours before the alert went out and 265 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Denver, CO at 12:00Z on 2010-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2010-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
617 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

887 
WFUS55 KPUB 212241
TORPUB
COC071-212345-
/O.NEW.KPUB.TO.W.0002.100421T2241Z-100421T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PUEBLO CO
441 PM MDT WED APR 21 2010

THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A

* TORNADO WARNING FOR...
  NORTH CENTRAL LAS ANIMAS COUNTY IN SOUTHEAST COLORADO...

* UNTIL 545 PM MDT

* AT 439 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 11 MILES WEST OF TYRONE...OR 25 MILES NORTH OF
  TRINIDAD...AND MOVING NORTHEAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHERN LAS ANIMAS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS TORNADO WARNING REPLACES THE SEVERE THUNDERSTORM WARNING THAT
WAS IN EFFECT FOR THE SAME AREA. GO TO A BASEMENT OR SMALL INTERIOR
ROOM ON THE LOWEST FLOOR!

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
WEDNESDAY EVENING FOR SOUTHEAST COLORADO.

LAT...LON 3779 10431 3773 10410 3759 10402 3739 10438
      3751 10454
TIME...MOT...LOC 2241Z 223DEG 15KT 3752 10438

$$
3 follow-up statements
840 
WWUS55 KPUB 212252
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
452 PM MDT WED APR 21 2010

COC071-212345-
/O.CON.KPUB.TO.W.0002.000000T0000Z-100421T2345Z/
LAS ANIMAS CO-
452 PM MDT WED APR 21 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL LAS ANIMAS
COUNTY UNTIL 545 PM MDT...

AT 448 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 8 MILES NORTHWEST OF TYRONE...OR 27 MILES NORTHEAST
OF TRINIDAD...MOVING NORTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHERN LAS ANIMAS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
WEDNESDAY EVENING FOR SOUTHEAST COLORADO.

LAT...LON 3779 10431 3773 10410 3759 10402 3739 10438
      3751 10454
TIME...MOT...LOC 2252Z 234DEG 14KT 3754 10430

$$
732 
WWUS55 KPUB 212305
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
505 PM MDT WED APR 21 2010

COC071-212345-
/O.CON.KPUB.TO.W.0002.000000T0000Z-100421T2345Z/
LAS ANIMAS CO-
505 PM MDT WED APR 21 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL LAS ANIMAS
COUNTY UNTIL 545 PM MDT...

AT 502 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 8 MILES NORTH OF TYRONE...OR 30 MILES NORTHEAST OF
TRINIDAD...MOVING NORTHEAST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
  MAINLY RURAL AREAS OF NORTHERN LAS ANIMAS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
WEDNESDAY EVENING FOR SOUTHEAST COLORADO.

LAT...LON 3779 10431 3773 10410 3759 10402 3739 10438
      3751 10454
TIME...MOT...LOC 2305Z 239DEG 15KT 3757 10424

$$
035 
WWUS55 KPUB 212321
SVSPUB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PUEBLO CO
521 PM MDT WED APR 21 2010

COC071-212331-
/O.CAN.KPUB.TO.W.0002.000000T0000Z-100421T2345Z/
LAS ANIMAS CO-
521 PM MDT WED APR 21 2010

...THE TORNADO WARNING FOR NORTH CENTRAL LAS ANIMAS COUNTY IS
CANCELLED...

THE TORNADO THREAT HAS DIMINISHED...THEREFORE THE TORNADO WARNING HAS
BEEN CANCELLED. HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN 
EFFECT FOR THE AREA...HOWEVER QUARTER SIZE HAIL AND GUSTY WINDS TO 
60 MPH ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MDT
WEDNESDAY EVENING FOR SOUTHEAST COLORADO.

LAT...LON 3779 10431 3773 10410 3759 10402 3739 10438
      3751 10454
TIME...MOT...LOC 2321Z 216DEG 13KT 3762 10422

$$

The office that day

Everything else NWS Pueblo, CO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 21, 3:57 AM MDTDense Fog AdvisoryPUBEl Paso3 hr
Apr 21, 2:55 PM MDTSevere Thunderstorm WarningPUBHuerfano, Las Animas, Pueblo65 min
Apr 21, 4:06 PM MDTSevere Thunderstorm WarningPUBHuerfano, Las Animas54 min
Apr 21, 4:10 PM MDTSevere Thunderstorm WarningPUBLas Animas65 min
Apr 21, 4:34 PM MDTSevere Thunderstorm WarningPUBLas Animas56 min
Apr 21, 5:09 PM MDTTornado WarningPUBLas Animas49 min
Apr 21, 5:18 PM MDTSevere Thunderstorm WarningPUBLas Animas, Otero, Pueblo22 min
Apr 21, 5:28 PM MDTSevere Thunderstorm WarningPUBLas Animas, Otero, Pueblo45 min
Apr 21, 5:52 PM MDTSevere Thunderstorm WarningPUBLas Animas53 min

Nearby

Tornado Warnings in Colorado, 2010Every tornado warning in 2010Tornadoes in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.